Chehalis, Washington Climate
United States
Pop. 7,391 Elev. 68 m / 223 ft
TZ: America/Los_Angeles (UTC-7) ·
Chehalis has mild summers with average highs of 80°F (27°C) in July, and cool winters averaging 33°F (1°C) in January. Rain falls on about 82 days per year (49.9 in / 1268 mm total), with 10 in (246 mm) of annual snowfall. The city averages 77 sunny days per year and around 32 thunderstorm days. Nearby lake water reaches 67°F (19°C) in summer.
| Temperature | 80°F (27°C) high | 33°F (0°C) low |
| Feels like | 82°F (28°C) high | 33°F (0°C) low |
| Rain | 82 days | 49.9 in (1268 mm) /yr |
| Snow | 0 days | 9.7 in (246 mm) /yr |
| Sky | 77 sunny | 32 stormy |
| Wind | 2.9 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
58
Jan 73
Feb 88
Mar 59
Apr 66
May 54
Jun 43
Jul 56
Aug 56
Sep 63
Oct 88
Nov 85
Dec Humidity (%)
85
Jan 81
Feb 82
Mar 66
Apr 65
May 64
Jun 61
Jul 67
Aug 75
Sep 81
Oct 89
Nov 91
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 21 mi Olympia Regional Airport (OLM)
Ski resort 68 mi Tubing Hill
National park 58 mi Lewis and Clark National Historical Park
Mountain peak
(5,187 ft) 42 mi Black Mountain
Hospital 2 mi VA Medical Center
Hiking trail 23 mi Twin Peaks Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 46°F 8°C | 33°F 0°C | 2.7 in 69 mm | 0.1 in4 mm | 8 |
| February | 47°F 8°C | 36°F 2°C | 5.9 in 150 mm | 9.2 in234 mm | 4 |
| March | 55°F 13°C | 41°F 5°C | 7.8 in 197 mm | 0.2 in6 mm | 0 |
| April | 62°F 17°C | 42°F 6°C | 3.0 in 77 mm | — | 7 |
| May | 67°F 19°C | 46°F 8°C | 1.6 in 42 mm | — | 6 |
| June | 73°F 23°C | 50°F 10°C | 0.9 in 23 mm | — | 10 |
| July | 80°F 27°C | 53°F 12°C | 0.1 in 2 mm | — | 15 |
| August | 80°F 26°C | 56°F 13°C | 1.6 in 41 mm | — | 8 |
| September | 74°F 24°C | 52°F 11°C | 1.5 in 37 mm | — | 10 |
| October | 60°F 16°C | 44°F 7°C | 5.8 in 148 mm | — | 8 |
| November | 53°F 12°C | 43°F 6°C | 7.7 in 195 mm | — | 0 |
| December | 50°F 10°C | 40°F 5°C | 11.3 in 287 mm | 0.1 in2 mm | 1 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 8 | 0 |
| February | 4 | 5 |
| March | 0 | 4 |
| April | 7 | 2 |
| May | 6 | 0 |
| June | 10 | 1 |
| July | 15 | 0 |
| August | 8 | 0 |
| September | 10 | 0 |
| October | 8 | 6 |
| November | 0 | 4 |
| December | 1 | 10 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 41°F 5°C |
| February | 37°F 3°C |
| March | 42°F 5°C |
| April | 48°F 9°C |
| May | 54°F 12°C |
| June | 61°F 16°C |
| July | 65°F 18°C |
| August | 67°F 19°C |
| September | 65°F 18°C |
| October | 55°F 13°C |
| November | 49°F 9°C |
| December | 46°F 8°C |